Adult Swim began in 2001 as a late-night programming block on Cartoon Network and became known for brief, unconventional interstitial bumpers featuring its name in square brackets. Those minimalist breaks developed a recognizable style built around dry humor, unusual imagery, and restrained presentation. Creators later adapted that visual language for short-form videos, especially during the 2021 social media trend in which hidden or cleverly arranged logos appeared at the end of surreal scenes. Short bumper sounds remain useful because audiences quickly recognize the format and its offbeat tone.